Probably a bit highfalutin for most of we mere mortals*, but ...


         http://code.nasa.gov/project/



           Russell McMahon


* Henry (in BCC) excepted :-) - but he very very probably already
knows about the site,


_________________


Samples:

Core HSEG Software Package
http://opensource.gsfc.nasa.gov/projects/HSEG/

The RHSEG software provides hierarchical segmentation (pre-processing)
of image and image-like data. The software significantly improves the
extraction of patterns from complex data sets and is optimized for
speed and accuracy. This algorithm provides the user with precise
control for selecting the desired level of detail from the hierarchy
of results.

Center: Goddard Space Flight Center
License: NASA Open Source Agreement
Language: C++
No categories

______

Visual System for Browsing, Analysis and Retrieval of Data (ViSBARD)
http://sourceforge.net/projects/visbard/
ViSBARD (Visual System for Browsing, Analysis, and Retrieval of Data)
is an interactive visualization and analysis tool for space physics
data. It provides an integrated 3-D/2-D environment to analyze
measurements across many spacecraft and MHD models.

Version Control System: SVN
Center: Goddard Space Flight Center
License: Apache Version 2.0 LGPLv3 NASA Open Source Agreement
Language: C Java
No categories

__________

Ground and space radar volume matching and comparison software
http://opensource.gsfc.nasa.gov/projects/GSRadar/
This software enables easy comparison of ground- and space-based radar
observations. The software was initially designed to compare ground
radar reflectivity from operational, ground-based, S- and C-band
meteorological radars with comparable measurements from the Tropical
Rainfall Measuring Mission satellite=92s Precipitation Radar instrument.
The software is also applicable to other ground-based and space-based
radars. The software [...]


Center: Goddard Space Flight Center


No categories
Orbit Determination Toolbox
http://opensource.gsfc.nasa.gov/projects/ODTBX
ODTBX is an orbit determination analysis tool based on Matlab and Java
that provides a flexible way to do early mission analysis, especially
for formation flying and exploration systems. ODTBX is composed of
both Matlab and Java code.

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